source: trunk/athena/bin/quota/attach.h @ 10995

/*
 * $Id: attach.h,v 1.5 1998-01-03 03:38:03 ghudson Exp $
 *
 * Copyright (c) 1988,1991 by the Massachusetts Institute of Technology.
 *
 * For redistribution rights, see "mit-copyright.h"
 */

#include "config.h"

#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <netdb.h>
#include <string.h>

#include <sys/types.h>
#include <sys/file.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/time.h>

#include <netinet/in.h>

#define MAXOWNERS 64
#define MAXHOSTS 64

/*
 * We don't really want to deal with malloc'ing and free'ing stuff
 * in this structure...
 */

struct _attachtab {
        struct _attachtab       *next, *prev;
        char            version[3];
        char            explicit;
        char            status;
        char            mode;
        struct _fstypes *fs;
        struct          in_addr hostaddr[MAXHOSTS];
        int             rmdir;
        int             drivenum;
        int             flags;
        int             nowners;
        uid_t           owners[MAXOWNERS];
        char            hesiodname[BUFSIZ];
        char            host[BUFSIZ];
        char            hostdir[MAXPATHLEN];
        char            mntpt[MAXPATHLEN];
};

/*
 * Attach flags defines
 *
 * FLAG_NOSETUID --- this filesystem was mounted nosetuid (no meaning
 *      for afs filesystems)
 * FLAG_LOCKED --- this filesystem is passed over by detach -a, and
 *      you must be the owner of the filesystem to detach it.
 * FLAG_ANYONE --- anyone can detach this filesystem  (not yet implemented)
 * FLAG_PERMANENT --- when this filesytem is detached, don't do
 *      actually unmount it; just deauthenticate, if necessary.  attach
 *      sets this flag if it finds the filesystem already mounted but
 *      not in attachtab.
 */
#define FLAG_NOSETUID   1
#define FLAG_LOCKED     2
#define FLAG_ANYONE     4
#define FLAG_PERMANENT  8

#define ATTACH_VERSION  "A1"

#define ATTACHTABMODE   644

#define STATUS_ATTACHED         '+'
#define STATUS_ATTACHING        '*'
#define STATUS_DETACHING        '-'

#define TYPE_NFS        001
#define TYPE_RVD        002
#define TYPE_UFS        004
#define TYPE_ERR        010
#define TYPE_AFS        020
#define TYPE_MUL        040
#define ALL_TYPES       067

/*
 * Attach configuration defines
 */
#define MAXFILTAB       100
#define MAXTRUIDTAB     100

/*
 * Type table
 */

struct _fstypes {
    char        *name;
    int         type;
#if 0
    int         mount_type;
    int         flags;
    char        *good_flags;
    int         (*attach)();
    int         (*detach)();
    char **     (*explicit)();
    int         (*flush)();
#endif
};

/*
 * Flags for _fstypes.flags
 */
#define AT_FS_MNTPT             1
#define AT_FS_REMOTE            2
#define AT_FS_PARENTMNTPT       4
#define AT_FS_MNTPT_CANON       8

extern struct _fstypes fstypes[];

/*
 * Mount options
 */
#ifndef M_RDONLY
#define M_RDONLY        0x01            /* mount fs read-only */
#endif
#ifndef M_NOSUID
#define M_NOSUID        0x02            /* mount fs without setuid perms */
#endif
/*
 * Generic defines
 */

#define SUCCESS 0
#define FAILURE 1

/*
 * Error status defininitions
 */

#define ERR_NONE        0       /* No error */
#define ERR_BADARGS     1       /* Bad arguments */
#define ERR_SOMETHING   2       /* Something wrong - > 1 args */
#define ERR_FATAL       3       /* Internal failure */
#define ERR_INTERRUPT   4       /* Program externally aborted */
#define ERR_BADCONF     5       /* Bad configuration file */
#define ERR_BADFSDSC    6       /* Bad filesystem description */
#define ERR_BADFSFLAG   7       /* Bad filsys flag */

#define ERR_KERBEROS    10      /* Kerberos failure */
#define ERR_HOST        11      /* General host communication failure */
#define ERR_AUTHFAIL    12      /* Authentication failure */
#define ERR_NOPORTS     13      /* Out of reserved ports */

#define ERR_NFSIDNOTATTACHED 20 /* Filesystem with -f not attached */
#define ERR_NFSIDBADHOST 21     /* Can't resolve hostname */
#define ERR_NFSIDPERM   22      /* unauthorized nfsid -p */

#define ERR_ATTACHBADFILSYS 20  /* Bad filesystem name */
#define ERR_ATTACHINUSE 21      /* Filesystem in use by another proc */
#define ERR_ATTACHNEEDPW 22     /* RVD spinup needs a password */
#define ERR_ATTACHFSCK  23      /* FSCK returned error on RVD */
#define ERR_ATTACHNOTALLOWED 24 /* User not allowed to do operation */
#define ERR_ATTACHBADMNTPT 25   /* User not allowed to mount a */
                                /* filesystem here */
#define ERR_ATTACHNOFILSYS 26   /* The remote filesystem doesn't exist */
#define ERR_ATTACHDIRINUSE 27 /* Some other filesystem is using the */
                              /* mountpoint directory */

#define ERR_DETACHNOTATTACHED 20 /* Filesystem not attached */
#define ERR_DETACHINUSE 21      /* Filesystem in use by another proc */
#define ERR_DETACHNOTALLOWED 22 /* User not allowed to do operations */

#define ERR_ZINITZLOSING        20      /* Random zephyr lossage */

/*
 * Zephyr definitions
 */

#ifdef ZEPHYR
#define ZEPHYR_CLASS "filsrv"
#define ZEPHYR_MAXSUBS 100      /* 50 filesystems... */
#define ZEPHYR_TIMEOUT  60      /* 1 minute timeout */
#endif /* ZEPHYR */


extern void lock_attachtab(), unlock_attachtab();
extern void get_attachtab(), free_attachtab();
extern struct _fstypes *get_fs();
extern struct _attachtab
    *attachtab_first,
    *attachtab_lookup(),
    *attachtab_lookup_mntpt();